Patek Philippe Complications 5960/1A

The Patek Philippe Annual Calendar Chronograph reference 5960/1A represents the steel iteration of this complicated timepiece, produced from 2006 to 2019. This reference combines annual calendar and chronograph functions in a 40.5mm steel case, distinguishing it within Patek Philippe's complex watch offerings. The watch features a steel case measuring 40.5mm in diameter with a black dial and fixed bezel. A sapphire crystal protects the dial, while water resistance extends to 30 meters. The automatic caliber CH 28-520 QA 24H provides the movement with a power reserve of 45-55 hours. The timepiece is completed by a steel bracelet. This reference appeals to collectors seeking Patek Philippe's technical complications in steel construction. The 5960/1A offers both annual calendar and chronograph capabilities in a single timepiece, representing a significant mechanical achievement within the manufacturer's catalog. The steel case material and bracelet combination provides durability while maintaining the sophisticated complications expected from this level of watchmaking.